Atraxa, Grand Unifier (Sephiroth, the Savior) Final Fantasy and permanents are colorless

and permanents are colorless

you may cast a spell from your hand or the top of your library without paying its mana cost

The embalm cost is equal to its mana cost

Hengegate Pathway

{T}: Search your library for an Equipment card

Atraxa, Grand Unifier (Sephiroth, the Savior) Final Fantasy and permanents are colorlessFlying, vigilance, deathtouch, lifelink When Atraxa enters, reveal the top ten cards of your library. For each card type, you may put a card of that type from among the revealed cards into your hand. Put the rest on the bottom of your library in a random order. (Artifact, battle, creature, enchantment, instant, land, planeswalker, and sorcery are card types.)